wusstrace fails to compile on Windows XP with mingw-7.1

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What steps will reproduce the problem?
1.  Install mingw-7.1 
2.  svn check out wusstrace
3.  run make

What is the expected output? What do you see instead?

The make command fails with the following compilation errors:

C:\wusstrace-read-only>make
make -C libwst -f Makefile.win32
make[1]: Entering directory `C:/wusstrace-read-only/libwst'
g++ -c -DMINGW  -o syscall.o syscall.cc
In file included from syscall.hh:38:0,
                 from syscall.cc:33:
type_winxp.hh:38:22: error: conflicting declaration 'typedef UNKNOWN_TYPE TIMER_
INFORMATION_CLASS'
c:\mingw\bin\../lib/gcc/i686-pc-mingw32/4.6.0/../../../../include/ddk/winddk.h:9
51:3: error: 'TIMER_INFORMATION_CLASS' has a previous declaration as 'typedef en
um _TIMER_INFORMATION_CLASS TIMER_INFORMATION_CLASS'
type_winxp.hh:39:22: error: conflicting declaration 'typedef UNKNOWN_TYPE TIMER_
INFORMATION_CLASS'
c:\mingw\bin\../lib/gcc/i686-pc-mingw32/4.6.0/../../../../include/ddk/winddk.h:9
51:3: error: 'TIMER_INFORMATION_CLASS' has a previous declaration as 'typedef en
um _TIMER_INFORMATION_CLASS TIMER_INFORMATION_CLASS'
make[1]: *** [syscall.o] Error 1
make[1]: Leaving directory `C:/wusstrace-read-only/libwst'
make: *** [libwst_] Error 2

What version of the product are you using? On what operating system?

Windows XP 32 bit sp2
mingw-7.1 with gcc 4.6.0 and boost 1.46.1

Please provide any additional information below.

Original issue reported on code.google.com by suzhig...@gmail.com on 11 Aug 2011 at 5:55